Pertusaria communis
Annotated by J. H. Jones.

Alaska: Aleutians West: Unalaska Island.
53.505414° N, 167.058947° W,
Datum: WGS 84. Uncertainty: 57929 meters. Coordinate Source: Digital Map.
Substrate: saxicolous.

W. J. Eyerdam 60, May 1, 1932
WTU, Barcode: WTU-L-018843